JP2000514484A - 非発泡もしくは発泡ポリウレタンエラストマーの製造方法およびこの目的に適するイソシアナートプレポリマー - Google Patents
非発泡もしくは発泡ポリウレタンエラストマーの製造方法およびこの目的に適するイソシアナートプレポリマーInfo
- Publication number
- JP2000514484A JP2000514484A JP10505548A JP50554898A JP2000514484A JP 2000514484 A JP2000514484 A JP 2000514484A JP 10505548 A JP10505548 A JP 10505548A JP 50554898 A JP50554898 A JP 50554898A JP 2000514484 A JP2000514484 A JP 2000514484A
- Authority
- JP
- Japan
- Prior art keywords
- diisocyanate
- molecular weight
- group
- phenylene
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/14—Powdering or granulating by precipitation from solutions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4891—Polyethers modified with higher fatty oils or their acids or by resin acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7607—Compounds of C08G18/7614 and of C08G18/7657
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0066—≥ 150kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19627907.0 | 1996-07-11 | ||
| DE19627907A DE19627907A1 (de) | 1996-07-11 | 1996-07-11 | Verfahren zur Herstellung von kompakten oder zelligen Polyurethan-Elastomeren und hierfür geeignete Isocyanatprepolymere |
| PCT/EP1997/003396 WO1998002476A1 (de) | 1996-07-11 | 1997-06-30 | Verfahren zur herstellung von kompakten oder zelligen polyurethan-elastomeren und hierfür geeignete isocyanatprepolymere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000514484A true JP2000514484A (ja) | 2000-10-31 |
Family
ID=7799516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10505548A Pending JP2000514484A (ja) | 1996-07-11 | 1997-06-30 | 非発泡もしくは発泡ポリウレタンエラストマーの製造方法およびこの目的に適するイソシアナートプレポリマー |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6197839B1 (de) |
| EP (1) | EP0910596B1 (de) |
| JP (1) | JP2000514484A (de) |
| KR (1) | KR20000023685A (de) |
| CN (1) | CN1104451C (de) |
| AR (1) | AR013597A1 (de) |
| AT (1) | ATE217016T1 (de) |
| AU (1) | AU728982B2 (de) |
| BR (1) | BR9710233A (de) |
| CA (1) | CA2259934A1 (de) |
| CZ (1) | CZ7699A3 (de) |
| DE (2) | DE19627907A1 (de) |
| EA (1) | EA003631B1 (de) |
| ES (1) | ES2176754T3 (de) |
| PL (1) | PL331073A1 (de) |
| TR (1) | TR199900026T2 (de) |
| WO (1) | WO1998002476A1 (de) |
| ZA (1) | ZA976127B (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001031735A (ja) * | 1999-07-02 | 2001-02-06 | Rhein Chem Rheinau Gmbh | Nco/oh反応(ポリウレタン形成)用の触媒系 |
| JP2012062340A (ja) * | 2010-09-14 | 2012-03-29 | Nok Corp | 熱可塑性ポリウレタンエラストマーの製造法 |
| JP2012214779A (ja) * | 2011-03-30 | 2012-11-08 | Asahi Glass Co Ltd | 軟質ポリウレタンフォームの製造方法およびシート |
| JP2013216718A (ja) * | 2012-04-04 | 2013-10-24 | Toyo Tire & Rubber Co Ltd | 硬質ポリウレタンフォームパネル |
| JP2023518213A (ja) * | 2020-03-13 | 2023-04-28 | ノボループ インコーポレイテッド | ニトロ置換ポリエステルジオールを含む熱可塑性ポリウレタン組成物 |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6713151B1 (en) | 1998-06-24 | 2004-03-30 | Honeywell International Inc. | Compliant fibrous thermal interface |
| US6784219B2 (en) | 1999-01-30 | 2004-08-31 | Bayer Aktiengesellschaft | Polyurethane cast elastomers based on durene diisocyanate |
| KR20010054080A (ko) * | 1999-12-03 | 2001-07-02 | 조형래 | 고탄성 발포우레탄수지의 제조방법 |
| USH2233H1 (en) * | 2000-08-07 | 2009-11-03 | Air Products And Chemicals, Inc. | Catalysts which stabilize hydrofluorocarbon blowing agents in polyurethane foam compositions |
| JP3683526B2 (ja) * | 2000-12-20 | 2005-08-17 | 匡 永井 | ポリウレタン多孔質体及びその製造方法 |
| EP1379568B1 (de) * | 2001-04-06 | 2010-08-25 | Basf Se | Zellige polyisocyanat-polyadditionsprodukte |
| US6706844B2 (en) | 2001-12-21 | 2004-03-16 | Basf Corporation | Polyurethane products produced from aluminum phosphonate catalyzed polyetherols |
| US20060183882A1 (en) * | 2001-12-21 | 2006-08-17 | Dexheimer Edward M | Continuous process for preparation of polyether polyols |
| US20060281894A1 (en) * | 2005-06-13 | 2006-12-14 | Basf Corporation. | Method of forming polyetherols in the presence of aluminum phosphate catalysts |
| US6777533B2 (en) * | 2001-12-21 | 2004-08-17 | Basf Corporation | Production of polyetherols using aluminum phosphonate catalysts |
| US6919486B2 (en) * | 2001-12-21 | 2005-07-19 | Basf Corporation | Polyetherols produced using aluminium phosphonate catalysts |
| US7226988B1 (en) | 2001-12-21 | 2007-06-05 | Basf Corporation | Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts |
| US20040154718A1 (en) * | 2003-02-06 | 2004-08-12 | Doesburg Van I. | Polyurethane filled tire and method of making same |
| DE102005003057A1 (de) * | 2005-01-22 | 2006-07-27 | Henkel Kgaa | Spritzbare, niedrigviskose Kautschuk-Dämpfungsmassen |
| US20060281892A1 (en) * | 2005-06-14 | 2006-12-14 | Basf Corporation | Polyurethane products including aluminum phosphates |
| DE102006030391A1 (de) * | 2006-07-01 | 2008-01-10 | Bayer Materialscience Ag | Geschäumte und massive Polyurethanelastomere auf Basis von 1,5-Naphthalindiisocyanat, Verfahren zu ihrer Herstellung und ihre Verwendung |
| JP5211452B2 (ja) * | 2006-08-29 | 2013-06-12 | Nok株式会社 | 発泡ポリウレタンエラストマーの製造方法 |
| DE102008051882A1 (de) | 2008-10-16 | 2010-04-29 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polyetheresterpolyolen |
| CN101942786B (zh) * | 2010-08-25 | 2012-06-27 | 北京科聚化工新材料有限公司 | 一种铁轨垫板及其制备方法 |
| EP2655475A1 (de) | 2010-12-20 | 2013-10-30 | Bayer Intellectual Property GmbH | Verfahren zur herstellung von polyetheresterpolyolen |
| CN103788332B (zh) * | 2012-11-02 | 2016-03-30 | 上海凯众材料科技股份有限公司 | Ndi改性mdi基聚氨酯微孔弹性体的制备方法 |
| WO2017030065A1 (ja) | 2015-08-18 | 2017-02-23 | 三井化学株式会社 | 発泡ポリウレタン材料、成形品、および、発泡ポリウレタン材料の製造方法 |
| EP3741788A1 (de) | 2019-05-24 | 2020-11-25 | Covestro Deutschland AG | Verfahren zur herstellung von polyoxyalkylenpolyol-mischungen |
| EP3838963A1 (de) | 2019-12-17 | 2021-06-23 | Covestro Deutschland AG | Verfahren zur herstellung von polyoxyalkylenpolyesterpolyolen |
| WO2022096390A1 (de) | 2020-11-06 | 2022-05-12 | Covestro Deutschland Ag | Verfahren zur herstellung eines polyol-gemisches |
| EP4480993A1 (de) | 2023-06-23 | 2024-12-25 | Covestro Deutschland AG | Verfahren zur herstellung eines polyoxyalkylenpolyols |
| WO2024260924A1 (de) | 2023-06-23 | 2024-12-26 | Covestro Deutschland Ag | Verfahren zur herstellung eines polyoxyalkylenpolyols |
| EP4574869A1 (de) | 2023-12-21 | 2025-06-25 | Covestro Deutschland AG | Verbindung enthaltend oximische hydroxylgruppen und deren herstellungsverfahren |
| WO2025131996A1 (de) | 2023-12-21 | 2025-06-26 | Covestro Deutschland Ag | Verbindung enthaltend oximische hydroxylgruppen und deren herstellungsverfahren |
| EP4644451A1 (de) | 2024-04-29 | 2025-11-05 | Covestro Deutschland AG | Verbindung enthaltend aromatische hydroxylgruppen und deren herstellungsverfahren |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB118955A (en) | 1917-12-03 | 1918-09-19 | John Edwin Gwynn | Improvements in Deflecting Plates for use in the Smoke Boxes of Locomotives. |
| US4191818A (en) * | 1975-10-25 | 1980-03-04 | Basf Wyandotte Corporation | Process for preparing heat-resistant polyurethane elastomers having no secondary softening range |
| GB2118955A (en) * | 1982-04-23 | 1983-11-09 | Teroson Gmbh | Polyurethanes |
| JPH01126318A (ja) * | 1987-11-11 | 1989-05-18 | Nippon Polyurethan Kogyo Kk | 熱硬化性ポリウレタンエラストマー用組成物 |
| DE19538330A1 (de) | 1995-10-14 | 1997-04-17 | Basf Ag | Verfahren zur Herstellung von kompakten oder zelligen Polyurethan-Elastomeren auf Basis von 3,3'-Dimethyl-diphenyl-4,4'-diisocyanat enthaltenden Polyisocyanatmischungen und hierfür geeignete Isocyanatpräpolymere |
-
1996
- 1996-07-11 DE DE19627907A patent/DE19627907A1/de not_active Withdrawn
-
1997
- 1997-06-30 EA EA199900024A patent/EA003631B1/ru not_active IP Right Cessation
- 1997-06-30 DE DE59707166T patent/DE59707166D1/de not_active Expired - Lifetime
- 1997-06-30 CN CN97196259A patent/CN1104451C/zh not_active Expired - Fee Related
- 1997-06-30 AU AU34390/97A patent/AU728982B2/en not_active Ceased
- 1997-06-30 TR TR1999/00026T patent/TR199900026T2/xx unknown
- 1997-06-30 CA CA002259934A patent/CA2259934A1/en not_active Abandoned
- 1997-06-30 ES ES97930440T patent/ES2176754T3/es not_active Expired - Lifetime
- 1997-06-30 AT AT97930440T patent/ATE217016T1/de not_active IP Right Cessation
- 1997-06-30 EP EP97930440A patent/EP0910596B1/de not_active Expired - Lifetime
- 1997-06-30 US US09/214,730 patent/US6197839B1/en not_active Expired - Fee Related
- 1997-06-30 CZ CZ9976A patent/CZ7699A3/cs unknown
- 1997-06-30 BR BR9710233A patent/BR9710233A/pt not_active Application Discontinuation
- 1997-06-30 WO PCT/EP1997/003396 patent/WO1998002476A1/de not_active Ceased
- 1997-06-30 JP JP10505548A patent/JP2000514484A/ja active Pending
- 1997-06-30 PL PL97331073A patent/PL331073A1/xx unknown
- 1997-07-10 ZA ZA976127A patent/ZA976127B/xx unknown
- 1997-07-11 AR ARP970103087A patent/AR013597A1/es unknown
-
1999
- 1999-01-09 KR KR1019997000142A patent/KR20000023685A/ko not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001031735A (ja) * | 1999-07-02 | 2001-02-06 | Rhein Chem Rheinau Gmbh | Nco/oh反応(ポリウレタン形成)用の触媒系 |
| JP2012062340A (ja) * | 2010-09-14 | 2012-03-29 | Nok Corp | 熱可塑性ポリウレタンエラストマーの製造法 |
| JP2012214779A (ja) * | 2011-03-30 | 2012-11-08 | Asahi Glass Co Ltd | 軟質ポリウレタンフォームの製造方法およびシート |
| JP2013216718A (ja) * | 2012-04-04 | 2013-10-24 | Toyo Tire & Rubber Co Ltd | 硬質ポリウレタンフォームパネル |
| JP2023518213A (ja) * | 2020-03-13 | 2023-04-28 | ノボループ インコーポレイテッド | ニトロ置換ポリエステルジオールを含む熱可塑性ポリウレタン組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| PL331073A1 (en) | 1999-06-21 |
| EP0910596B1 (de) | 2002-05-02 |
| TR199900026T2 (xx) | 1999-03-22 |
| ES2176754T3 (es) | 2002-12-01 |
| AR013597A1 (es) | 2001-01-10 |
| EA003631B1 (ru) | 2003-08-28 |
| KR20000023685A (ko) | 2000-04-25 |
| EA199900024A1 (ru) | 1999-06-24 |
| AU728982B2 (en) | 2001-01-25 |
| ZA976127B (en) | 1999-01-11 |
| DE59707166D1 (de) | 2002-06-06 |
| EP0910596A1 (de) | 1999-04-28 |
| CA2259934A1 (en) | 1998-01-22 |
| CN1225104A (zh) | 1999-08-04 |
| BR9710233A (pt) | 1999-08-10 |
| CZ7699A3 (cs) | 1999-07-14 |
| US6197839B1 (en) | 2001-03-06 |
| WO1998002476A1 (de) | 1998-01-22 |
| AU3439097A (en) | 1998-02-09 |
| CN1104451C (zh) | 2003-04-02 |
| DE19627907A1 (de) | 1998-01-15 |
| ATE217016T1 (de) | 2002-05-15 |
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